• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
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    • 专利摘要:
    An injection molding machine includes: a machine base; a stationary plate fixed to the base to hold a stationary mold portion; a movable plate slidably supported by the base to hold a movable mold portion; a rotating means slidably supported by the base axially between the stationary and movable plates to support a plurality of central mold sections and to move the central mold sections between axial positions directed toward the stationary and movable mold sections and lateral positions directed to the operator and non-operator side of the machine; and a partial processing device mounted on the stationary plate. The part processing device includes an end-of-arm tooling that is laterally disposed outside the rotator. The end-of-arm tooling is movable laterally between an engagement position for interacting with molded articles in one of the central mold sections in the lateral positions, and a disengaged position laterally spaced outwardly from the engaged position.
    公开号:AT520475A1
    申请号:T9175/2017
    申请日:2017-06-07
    公开日:2019-04-15
    发明作者:D Schad Robert；Osmokrovic Luke；Link Carsten
    申请人:Niigon Machines Ltd；
    IPC主号:
    专利说明:

    TERRITORY
    The description relates to injection molding machines, elements thereof, and methods and apparatus for processing injection molded parts.
    BACKGROUND
    In US Pat. No. 8,025,828 (Armbruster) discloses an injection molding apparatus having a first mold half and a second mold half movably disposed with respect to the first half, and a central mold half disposed between the first and second halves and rotatable about an axis of rotation. On the side of the central mold half, a further processing device is arranged.
    In US Pat. No. 8,672,668 (Armbruster) discloses an apparatus for producing hinged joints made of plastic. The device comprises a prismatic center block which can be rotated about a rotation axis, the block being arranged between a first and a second mold plate. The first and second mold plates are movable in a first direction relative to the center block, and in a closed position form a plurality of cavities in the region of first and second parting planes. The device includes a processing system used to remove the hinge seals and transport them to a cover device according to their design.
    In US Pat. with the publication no. 2013/0302457 (Zahoransky) discloses an injection molding machine having a stack mold for producing injection molded parts, first and second external mold parts and a rotatably mounted middle block, the external mold parts each having a distribution plate having a hot runner for the sprayed material, and wherein mold cavities are formed between molding regions on inner sides of the mold plate of the external mold parts, and mold regions are formed on mold plates on opposite outer sides of the center mold. At least one gripper is provided. The mold plates of the external moldings and the center block are releasably held in place. The mold plates of the external moldings are positionable on the distribution plates to correspond to respective feed channels, and the mold plates of the center block are positionable on the center block to correspond to respective positions of the mold plates of the external moldings.
    SUMMARY
    The following summary is intended to introduce the reader to various aspects of Applicant's teachings, but is not intended to limit any invention. In essence, one or more methods or devices relating to injection molding and to processing parts associated with injection molding are disclosed herein.
    In some aspects, an injection molding machine includes: a) a machine base that extends longitudinally along a generally horizontal machine axis; b) a stationary plate fixed to the base to hold a stationary mold section; and c) a movable plate slidably supported by the base to hold a movable mold section. The movable plate is slidable to and away from the stationary platen along the machine axis. The machine further includes: d) a rotator slidably supported by the base axially between the stationary and movable plates. The turning device closes one
    A form carriage which is along the machine axis to the stationary plate and displaceable therefrom and a table, which is rotatably mounted on the form carriage to support a horizontally opposed first and second central mold portion and a horizontally opposed third and fourth central mold portion, the perpendicular to the first and second central mold sections. The table is rotatable relative to the form carriage about a vertical axis to move the central mold sections between axial positions directed toward the stationary and movable mold sections and lateral positions directed to an operator side and a non-operator side of the machine , The machine further includes: e) a part-processing device mounted on the stationary plate. The part processing device includes an end-of-arm tooling that is laterally disposed outside the rotator. The end-of-arm tooling is laterally movable between an engaged position for interacting with shaped articles in one of the central mold sections in the lateral positions and a disengaged position laterally spaced outwardly from the engaged position.
    In some examples, the end-of-arm tooling is vertical between an aligned position in which the end-of-arm tooling is laterally movable to the engaged position and at least one of a raised position above the aligned position to provide access on the one of the central mold sections, and a lowered position under the aligned position for transferring molded articles unloaded from the one of the central mold sections.
    In some examples, the machine includes an upper spar and a lower spar each extending substantially parallel to the machine axis between the stationary and movable plates to exert a clamping load across the plates. In some examples, the end-of-arm tooling has an upper end, a lower end, and a part-processing surface between the upper and lower ends to engage with
    Form articles to interact. The parting surface may extend substantially vertically between the upper and lower beams when the end-of-arm tooling is in the aligned position.
    In some examples, the end-of-arm tooling can be moved vertically to the raised position. In some examples, a lower end of the end-of-arm tooling is at least as high as a bottom surface of the upper spar when the end-of-arm tooling is in the raised position.
    In some examples, the end-of-arm tooling can be moved vertically to the lowered position. In some examples, the top end of the end-of-arm tooling is at least as low as a top surface of the bottom spar when the end-of-arm tooling is in the lowered position.
    In some examples, the part-processing surface is directed laterally inwardly toward the base when the end-of-arm tooling is in corresponding positions and moving therebetween.
    In some examples, the end-of-arm tooling is axially locked with respect to the stationary platen during normal engine operation.
    In some examples, the part-processing surface has a weight, and substantially all of the weight is carried by the stationary plate.
    In some examples, the partial processing device includes a mount that movably couples the end-of-arm tooling to the stationary platen. The mount may include a static mounting part mounted on an upper surface of the stationary plate and including a dynamic mounting part that is movably coupled to the static mounting part and supports the end-of-arm tooling. The dynamic mounting part can be in
    Be movable relative to the static mounting part to move the end-of-arm tooling between corresponding positions.
    In some examples, the static mounting part includes a lateral slider, and the dynamic mounting part includes a mounting slide that is slidably coupled to the lateral slider and supports the end-of-arm tooling. The mounting carriage may laterally slide along the lateral slider to move the end-of-arm tooling between the engaged and disengaged positions.
    In some examples, the lateral slider extends laterally outward of the stationary platen and the mounting slide slides laterally outwardly of the stationary platen along the lateral slider when the end-of-arm tooling is moved to the disengaged position.
    In some examples, the stationary plate includes a mounting surface that faces the movable plate to support the stationary mold section, and the lateral slider is axially spaced from the mounting surface to the movable plate.
    In some examples, the lateral pusher is axially fixed with respect to the end-of-arm tooling during normal machine operation and locked with respect to the stationary platen at an axial position of the lateral pusher. The axial position of the lateral slider may be adjustable with respect to the stationary plate to adjust an axial end-of-arm tooling position of the end-of-arm tooling.
    In some examples, the static mounting member includes an adjustment plate that adjustably couples the lateral slider to the stationary platen. The axial position of the lateral slide can be adjustable over an axial adjustment length of the adjustment plate. The axial displacement length may be greater than an axial extent of the upper surface of the stationary plate.
    In some examples, the dynamic mounting part includes a vertical arm that is movably supported by the mounting carriage. The end-of-arm tooling may be fixed to a lower end of the vertical arm. The vertical arm may be vertically movable relative to the mounting carriage to vertically move the end-of-arm tooling.
    In some examples, the machine base has a width between laterally opposed and axially extending sides of the machine base. In some examples, the machine further includes a molded article conveyor for transporting shaped articles in an axial direction. The molded article conveyor may extend laterally between the sides of the machine base and under at least one of the stationary and movable plates, parallel to the machine axis. In some examples, the machine includes a gutter mounted to the base for transferring shaped articles received from the end-of-arm tooling onto the conveyor.
    In some examples, the trough has a sloped guide surface located between an upper portion laterally positioned outside one of the sides of the machine base under the end-of-arm tooling and molded articles from the end-of-arm tooling and a lower portion laterally positioned between the sides of the machine base adjacent to the conveyor for directing picked form articles onto the conveyor.
    In some aspects, an injection molding machine includes: a) a machine base that extends longitudinally along a generally horizontal machine axis; b) a stationary plate fixed to the base to hold a stationary mold section; and c) a movable plate slidably supported by the base to hold a movable mold section. The movable plate is slidable to and away from the stationary platen along the machine axis. The machine further includes: d) a rotator slidably supported by the base axially between the stationary and movable plates. The rotator includes a form carriage slidable along and away from the machine axis to the stationary platen and a table rotatably mounted on the form carriage about a horizontally opposed first and second central mold portion and a horizontally opposed third and fourth central one Support molding portion which extend perpendicular to the first and second central mold portion. The table is rotatable relative to the form carriage about a vertical axis to move the central mold sections between axial positions directed toward the stationary and movable mold sections and lateral positions directed to an operator side and a non operator side of the machine. The machine further includes: e) a part-processing device including an end-of-arm tooling arranged laterally outside the rotator. The end-of-arm tooling is laterally movable between an engagement position for interacting with the molded articles in one of the central mold sections in the lateral positions and a disengaged position laterally spaced laterally from the engaged position. The end-of-arm tooling is vertical between an aligned position in which the end-of-arm tooling is movable to the engaged position and at least one of a raised position above the aligned position to provide access to the one of central mold sections, and a lowered position below the aligned position for transferring shaped articles unloaded from the one of the central mold sections.
    In some aspects, an injection molding machine includes: a) a machine base that extends longitudinally along a generally horizontal machine axis; b) a stationary plate fixed to the base to hold a stationary mold section; and c) a movable plate slidably supported by the base to hold a movable mold section. The movable plate is slidable to and away from the stationary platen along the machine axis. The machine further includes: d) a rotator slidably supported by the base axially between the stationary and movable plates. The rotator includes a form carriage slidable along and away from the machine axis to the stationary platen and a table rotatably mounted on the form carriage about a horizontally opposed first and second central mold portion and a horizontally opposed third and fourth central one Support molding portion which extend perpendicular to the first and second central mold portion. The table is rotatable relative to the form carriage about a vertical axis to move the central mold sections between axial positions directed toward the stationary and movable mold sections and lateral positions directed to an operator side and a non operator side of the machine. The machine further includes: e) a first part-processing device mounted on the stationary plate. The first parting device includes a first end-of-arm tooling positioned laterally outwardly of the non-operator side of the machine to interact with molded articles in the central mold section that faces the non-operator side of the machine. The machine further includes: f) a second part-processing device mounted on the stationary plate. The second parting device includes a second end-of-arm tooling positioned laterally out of the turning device on the operator side of the machine to interact with shaped articles in the central forming section which faces the operator side of the machine.
    In some aspects, an injection molding machine includes: a machine base having a machine base that extends longitudinally along a generally horizontal machine axis and has a width between laterally opposed and axially extending sides of the machine base; b) a stationary plate fixed to the base to hold a stationary mold section; and c) a movable plate slidably supported by the base to hold a movable mold section. The movable plate is slidable to and away from the stationary platen along the machine axis. The machine further includes: d) a rotator slidably supported by the base axially between the stationary and movable plates. The rotator includes a form carriage slidable along and away from the machine axis to the stationary platen and a table rotatably mounted on the form carriage about a horizontally opposed first and second central mold portion and a horizontally opposed third and fourth central one Support molding portion which extend perpendicular to the first and second central mold portion. The table is rotatable relative to the form carriage about a vertical axis to move the central mold sections between axial positions directed toward the stationary and movable mold sections and lateral positions directed to an operator side and a non operator side of the machine. The machine further includes: e) a molded article conveyor for transporting shaped articles in an axial direction. The molded article conveyor extends parallel to the machine axis laterally between the sides of the machine base and under at least one of the movable and stationary plates. The machine further includes: f) a first gutter mounted on the non-operator side of the machine at the base to guide molded articles projecting from the central molding portion facing the non-operator side of the machine unload the conveyor. In some examples, the machine further includes: g) a second gutter mounted on the operator side of the machine at the base to guide molded articles projecting from the central mold portion facing the operator side of the machine Conveyors are unloaded.
    In some examples, each trough has an inclined guide surface extending between an upper portion positioned laterally outwardly of a corresponding one of the sides of the machine base for receiving molded articles discharged from a respective central mold portion and a lower portion positioned laterally between the sides of the machine base, adjacent to the conveyor, for directing picked form articles onto the conveyor.
    In some aspects, a method of operating an injection molding machine includes: a) rotating a table about a vertical axis to move a central mold portion from an axial position to a lateral position. The central mold portion is directed to one of a stationary mold portion held by a stationary plate and a movable mold portion held by a movable plate when in the axial position. The central mold section is directed at one of an operator side and a non-operator side of the machine when in the lateral position. The method further includes: b) when the central mold portion is in the lateral position, moving end-of-arm tooling laterally inwardly toward the central mold portion into an engaged position for interacting with molded articles in the central mold portion; c) moving the end-of-arm tooling from the engaged position to a disengaged position laterally spaced from the engaged position; and d) moving the end-of-arm tooling vertically from an aligned position in which the end-of-arm tooling can be moved to the engaged position, to a raised position over the aligned position to provide access to the central mold portion, and a lowered position below the aligned position for transferring molded articles unloaded from the central mold portion.
    In some examples, the end-of-arm tooling includes a parting surface for interacting with the molded articles. The parting surface is directed laterally inwardly toward the base when the end-of-arm tooling is in corresponding positions and moving therebetween.
    Other aspects and features of the present description will be apparent to one of ordinary skill in the art upon reading the following description of specific examples of the specification.
    BRIEF DESCRIPTION OF THE DRAWINGS
    The drawings included herein are illustrative of various examples of articles, methods and devices of the present description and are not intended to limit the scope of what may be taught in any manner. In the drawings:
    Fig. 1 is a perspective view from the operator side of an exemplary injection molding machine shown in an open-mold state;
    Fig. 2 is a cross-sectional view taken along line 2 of Fig. 1 of parts of the machine of Fig. 1;
    Fig. 3 is an enlarged perspective view of parts of the machine of Fig. 1, shown in a closed mold condition;
    Fig. 4 is a cross-sectional view taken along line 4 of Fig. 3 of the machine of Fig. 1, showing parts of the machine in a released condition;
    Fig. 5 is the same view as in Fig. 4, but showing the part processing parts in an activated state;
    Fig. 6 is the same view as in Fig. 4, but showing the part processing parts in a lowered state; and
    Fig. 7 is the same view as in Fig. 4, but showing the part processing parts in a raised state.
    DETAILED DESCRIPTION
    Hereinafter, various devices or processes will be described to provide an example of an embodiment of each claimed invention. No embodiment claimed below limits any claimed invention, and any claimed invention may cover processes or devices that differ from those described below. The claimed inventions are not limited to devices or processes that incorporate all features of any of the devices described below or any of those described below
    Process or features common to several or all of the facilities described below. It is possible that a device described below or a process described below does not correspond to any embodiment of any claimed invention. Any invention disclosed in a device or process described below and not claimed in this document may be the subject of another protective instrument, for example a continuation of a patent application, and applicants, inventors or owners wish such an invention Do not give up, reject or leave to the public by disclosing in this document.
    Referring to FIG. 1, an example of an injection molding machine 100 includes a machine base 102 that extends longitudinally along a substantially horizontal machine axis 104. A stationary plate 106 is fixed to the base 102 to hold a stationary mold portion 106a, and a movable plate 108 is slidably supported by the base 102 to hold a movable mold portion 108a. The movable plate 108 is slidable to and away from the stationary platen 106 along the machine axis 104.
    Referring to FIG. 2, in the illustrated example, the machine 100 further includes a rotator 110 for rotatably supporting a plurality of central mold sections 112. The rotator 110 is slidably supported by the machine base 102 axially between the stationary and movable plates 106, 108 and is slidable with respect to the base 102 along the machine axis 104.
    In the illustrated example, the rotator 110 includes a forming carriage 114 slidable along and away from the machine axis 104 to the stationary platen 106 and a table 116 rotatably mounted on the forming carriage 114 to support the central mold sections 112 , Referring to Figure 1, in the illustrated example, the table 116 supports a horizontally opposed first and second central mold sections 112a, 112b and a horizontally opposed third and fourth central
    Mold portion 112c, 112d, which are perpendicular to the first and second central mold portion 112a, 112b.
    Referring to Figure 1, in the illustrated example, when the machine 100 is in an open-mold condition, the table 116 is rotatable about a vertical axis 118 with respect to the form carriage 114 (see also Figures 2 and 4) central mold sections 112 between axial positions directed toward the stationary and movable mold sections 106a, 108a and to move lateral positions directed to an operator side 120 and a non operator side 122 of the machine 100. In the illustrated example, the first and second central mold sections 112a, 112b are shown in the axial positions with the first central mold section 112a directed toward the stationary mold section 106a and the second central mold section 112b directed toward the movable mold section 108a. The third and fourth central mold sections 112c, 112d are shown in the lateral positions with the third central mold section 112c facing the operator side 120 of the machine 100 and the fourth central mold section 112d facing the non-operator side 122 of the machine 100.
    When the machine 100 is in a closed mold condition (FIG. 3), the movable platen 108 and the rotator 110 are at respective advanced positions (closed mold) closest to the stationary platen 106, the central mold portion 112 is directed towards the stationary mold portion 106a (shown as central mold portion 112a in Figs. 1-3), is engaged with the stationary mold portion 106a, and the central mold portion 112 which is directed toward the movable mold portion 108a (in Figs. 3 shown as a central mold portion 112b) is engaged with the movable mold portion 108a. When the machine 100 is in the open state (Figs. 1 and 2), the movable platen 108 and rotator 110 are in corresponding retracted positions (open mold) axially spaced from the respective advanced positions, the central mold section 112 facing the stationary mold portion 106 is axially spaced from the stationary mold portion 106a by a first axial distance 123a, and the central mold portion 112 facing the movable mold portion 108a is separated from the movable mold portion 108a by a second one The first axial distance 123a and the second axial distance 123b are dimensioned to facilitate smooth movement of the central mold sections 112 with respect to the stationary and movable mold sections 106a, 108a during rotation of the table 116 about the vertical axis 118 ,
    Referring to Figure 1, the machine 100 includes at least one injection unit for injecting resin into mold cavities of the mold sections. In the illustrated example, the machine 100 includes a first injection unit 124a aligned parallel to the machine axis 104 and disposed axially outside the stationary platen 106, and a second injection unit 124b aligned parallel to the machine axis 104 and axially outward of the movable platen 108 is arranged. The second injection unit 124b is coupled to and displaceable with the movable platen 108 in the illustrated example. During an injection cycle, the first injection unit 124a injects resin into mold cavities formed by the stationary mold portion 106a, and the central mold portion 112 engages the stationary mold portion 106, and the second injection unit 124b injects resin into mold cavities formed by the movable mold Mold portion 108a are formed and the central mold portion 112 is engaged with the movable mold portion 108 in engagement.
    Referring to FIG. 1, the machine 100 includes a plurality of spars 126 that extend parallel to the machine axis 104 between the stationary and moving plates 106, 108. The movable plate 108 may be releasably locked to the spars 126 to provide a clamping load across the stationary mold section 106a, the movable mold section 108a, and the central ones
    To apply mold sections 112 in the axial positions when the machine 100 is in the closed mold state.
    Referring to Figure 4, in the illustrated example, the machine 100 includes a front lower spar 126a and a laterally spaced rear lower spar 126b. The front lower beam 126 a is disposed to the operator side 120 of the engine 100, and the rear lower beam 126 b is disposed to the non-operator side 124 of the engine 100. The machine axis 104 is positioned laterally between the front and rear lower beams 126a, 126b. The machine 100 further includes a front upper beam 126c vertically spaced above the front lower beam 126a and a laterally spaced rear upper beam 126d spaced vertically above the rear lower beam 126b. The upper spars 126c, 126d are spaced vertically above the lower spars 126a, 126b by a vertical spar spacing 128. In the illustrated example, the central mold sections 112 are vertically supported between the upper and lower rails 126a-d and have a vertical extent 113 that is less than the vertical rail spacing 128.
    The machine 100 may include at least one part-processing device for interacting with shaped articles in one or more mold sections. The partial processing device may be arranged on one of the operator side 120 and the non-operator side 122 of the machine 100. The part-processing device may be used, for example, to unload molded articles from a central mold section 112. Additionally or alternatively, the subprocessor may perform post-molding operations, such as, for example, cooling after molding, moving articles from a first row of mold cavities of a central mold portion 112 to a second series of mold cavities thereof, or another central mold portion 112, and / or assembling first articles from a central mold section 112 with other articles that may include second articles from the same or another mold section 112.
    The subprocessor may be configured as a linear axis robot (Cartesian) to include an end effector (also referred to as an end-of-arm tooling, "end-of-arm tooling" or "EOAT") of the subprocessor into one or more The end-of-arm tooling may be disposed laterally outward of the rotator 110 toward one of the operator side 120 and the non-operator side 122 of the machine 100. The end-of-arm tooling may laterally interact between an engaged position for example, in a lateral position in a corresponding central mold portion 112 and a non-engaged position laterally spaced from the engaged position at least partially surrounding the articles, inserting them in the articles and / or the Touch touching the items. The end-of-arm tooling may include air nozzles or suction elements to direct air to or from surfaces of the articles, for example to facilitate cooling and / or to apply force to the articles to grasp or eject the articles ,
    Referring to FIG. 1, in the illustrated example, the machine 100 includes a first parter 130 on the non-operator side 122 of the machine 100. In the illustrated example, the first part processing device 130 includes a first end-of-arm tooling 132 that is laterally disposed outside of the rotator 110 (and central mold sections 112) on the non-operator side 122 of the machine 100. The first end-of-arm tooling 132 is laterally movable between an engagement position (FIG. 5) and a non-engagement position (FIG. 4) laterally spaced outwardly of the engagement position. When in the engaged position, the first end-of-arm tooling 132 may interact with molded articles in the central mold section 112 that is not in contact with the mold
    Operator side 122 of the machine 100 is directed (also referred to as a "non-operator side central mold section", and shown in Figure 1 and 3-7 as the central mold section 112d).
    Referring to Figure 5, in the illustrated example, when the end-of-arm tooling 132 is in the engaged position, it abuts the non-operator-side central mold portion 112 to interact with molded articles. Referring to FIG. 4, end-of-arm tooling 132, when in the disengaged position, is spaced laterally outwardly from lateral non-engaging side central portion 112 by a lateral distance 134. The lateral clearance 134 is sized to provide lateral clearance for smooth movement of the central mold sections 112 between the axial and lateral positions, and in the illustrated example, to facilitate transfer (e.g., dropping) of molded articles produced by the end-of-arm tooling 132 are held. In the illustrated example, the end-of-arm tooling 132 is located laterally outboard of the rails 126 (on the non-operator side 122 of the machine 100) when in position and moving therebetween.
    Optionally, the first part processor 130 may be configured to vertically move the end-of-arm tooling 132. In the illustrated example, the first end-of-arm tooling 132 is vertically movable between an aligned position (FIGS. 4 and 5) in which the first end-of-arm tooling 132 is laterally movable to the engaged position and at least one of a raised position (Figure 7) above the aligned position and a lowered position (Figure 6) movable under the aligned position. In the illustrated example, the end-of-arm tooling 132 is vertically movable between the aligned position, the raised position, and the lowered position.
    Referring to FIG. 3, in the illustrated example, the end-of-arm tooling 132 has an upper end 136, a lower end 138, and a lower end 136
    Parting surface 140 between the upper and lower ends 136, 138 in order to interact with form articles. In the illustrated example, the parting surface 140 is directed laterally inward toward the base 102 when the end-of-arm tooling 132 is in corresponding positions and moving therebetween.
    Referring to FIGS. 4 and 5, in the illustrated example, when the end-of-arm tooling is in the aligned position, the parting surface 140 extends substantially vertically between the rear upper and lower beams 126b, 126d and is located at vertical alignment with the central molding section 112 of the non-operator side.
    Referring to Figure 7, in the illustrated example, the end-of-arm tooling 132 is movable to the raised position to provide access to the central non-operator side mold section 112. In the illustrated example, when the end-of-arm tooling 132 is in the raised position, the lower end 138 of the end-of-arm tooling 132 is at least as high as a bottom surface 142 of the rear upper spar 126d. In the raised position, the end-of-arm tooling 132 does not have the vertical spar spacing 128 between the rear upper and lower beams 126b, 126d. This may facilitate inspection, maintenance and / or replacement of one or more of the central mold sections 112 and / or other parts of the machine 100. In the illustrated example, when the end-of-arm tooling 132 is in the raised position, an entirety of the first parting device 130 does not have a vertical spar spacing 128.
    Referring to Figure 6, in the illustrated example, the end-of-arm tooling 132 is movable to the lowered position to transfer molded articles unloaded from the central non-machine-side forming section 112. By lowering end-of-arm tooling 132, transfer of molded articles from end-of-arm tooling to, for example, a gutter (such as gutter 188), a conveyor, a platform, or other surface can be facilitated which is positioned under the end-of-arm tooling. By lowering the end-of-arm tooling 132 prior to transferring the molded articles, the height from which the molded articles are dropped can be reduced and it can facilitate more accurate transfer of the molded articles and / or reduce the possibility of damage to a molded article. if he is dropped. In the illustrated example, when the end-of-arm tooling 132 is in the lowered position, the upper end 136 of the end-of-arm tooling 132 is at least as low as a top surface 144 of the rear lower spar 126b.
    Optionally, the first part processor 130 may be configured as a linear (Cartesian) two-axis robot to move the end-of-arm tooling 132 only in lateral and vertical directions. In the illustrated example, the end-of-arm tooling 132 is axially locked with respect to the stationary platen 106 during normal engine operation. The rotator 110 translates along the machine axis 112 with respect to the subprocessor 130 as it moves between corresponding advanced (closed mold) and retracted (open mold) positions. Referring to FIG. 3, in the illustrated example, the end-of-arm tooling 132 is axially locked with respect to the stationary platen in an axial position of the end-of-arm tooling in which the parting surface 140 is the end-of-arm tooling. Arm tooling 132 is axially aligned with the central molding portion 112 of the non-operator side when the machine 100 is in the closed mold condition. In the illustrated example, the position of the axial position of the end-of-arm tooling is adjustable to compensate for changes in the height of the mold.
    In the illustrated example, the partial processing device 130 is mounted on the stationary platen 106. The partial processing device 130 has a weight, and substantially all of the weight is carried by the stationary plate 106. The partial processing device 130 may be substantially free of an independent support structure extending between the partial processing device 130 and parts of the machine 100 that are different from the stationary plate 106. The part processing device may be substantially free of an independent support structure extending between the part processing device 130 and a bottom surface over which parts of the part processing device 130 may be positioned.
    Referring to FIG. 3, in the illustrated example, subprocessor 130 includes a first mount 150 that movably couples end-of-arm tooling 132 to stationary plate 106. In the illustrated example, the mount 150 includes a first static mounting part 152 mounted to the stationary plate 106 and a first dynamic mounting part 154 that is movably coupled to the static mounting part 152 and supports the end-of-arm tooling 132 , The dynamic mounting part 154 is movable relative to the static mounting part 152 to move the end-of-arm tooling 132 between corresponding positions.
    Referring to FIG. 7, the static mounting part 152 may be disposed at a height substantially above the upper beams 126c, 126d. In the illustrated example, the static mounting part 152 is mounted on an upper surface 156 of the stationary platen 106. In the illustrated example, the upper surface 156 of the stationary platen 106 has a first mounting interface 157 offset laterally relative to the machine axis 104 to the non-operator side 122 of the machine 100. The first mounting interface 157 is substantially laterally aligned with the rear spars 126b, 126d in the illustrated example. The static mounting part 152 is mounted on the first mounting interface 157.
    Referring to FIG. 3, in the illustrated example, the static mounting part 152 includes a lateral slider 160, and the dynamic mounting part 154 includes a mounting slide 162 that is slidably coupled to the lateral slider 160 and the end-of-arm tooling 132 supports. The mounting carriage 162 slides laterally along the lateral slider 160 to move the end-of-arm tooling 132 between the engaged and disengaged positions. In the illustrated example, the lateral slider 160 extends laterally outward of the stationary platen 106 (to the non-operator side 122 of the machine 100), and the carriage 162 slides along the lateral slider 160 laterally outboard of the stationary platen 106 to detect the end-of-travel. Arm tooling 132 to move into the disengaged position. The mounting carriage 162 is fixed axially and vertically with respect to the lateral slider 160 in the illustrated example.
    In the illustrated example, the dynamic mounting part 154 includes a vertical arm 164 that is supported by the mounting carriage 162. In the illustrated example, the end-of-arm tooling 132 is fixed to a lower end 166 of the vertical arm 164. In the illustrated example, the vertical arm 164 is movably supported by the mounting carriage 162 and is vertically displaceable with respect to the mounting carriage 162 to move the end-of-arm tooling 132 vertically between the aligned, raised, and lowered positions. In the illustrated example, the vertical arm 164 is axially and laterally fixed with respect to the mounting carriage 162. In the illustrated example, the vertical arm 164 is fixed in a substantially vertical orientation during normal machine operation. In the illustrated example, the vertical arm 164 is disposed laterally outboard of the rails 126 (on the non-operator side 122 of the machine 100) when the end-of-arm tooling 132 is in corresponding positions and moving therebetween.
    In the illustrated example, the stationary platen 106 includes a mounting surface 158 that faces the moveable plate 108 to support the stationary mold section 106a. The lateral slider 160 is axially spaced from the mounting surface 158 to the movable plate 108. Thereby, a reduced axial distance between the lateral slider 160 and the axial position of the end-of-arm tooling can be provided, and it can help to reduce moment loads exerted on the lateral slider 160.
    In the illustrated example, during normal machine operation, the lateral slider 160 is axially locked with respect to the stationary platen 106 in an axial position of the lateral slider. In the illustrated example, the lateral slider 160 is axially fixed with respect to the end-of-arm tooling 132, and the axial position of the lateral slider is adjustable with respect to the stationary plate 106 to determine the axial position of the end-of-stroke. Adjust arm tooling.
    In the illustrated example, the static mounting member 152 includes an adjustment plate 168 that adjustably couples the lateral slider 160 to the stationary platen 106. The adjustment plate 168 is fixed to the upper surface 156 of the stationary platen 106 in the illustrated example. The axial position of the lateral slide is adjustable over an axial staging length 170 of the adjusting plate 168. The adjustment length 170 is greater than an axial extent 159 of the top surface of the stationary platen 106.
    The adjustment plate 168 may include one or more axially extending t-grooves to adjustably couple the lateral slider 160 to the adjustment plate 160 and to facilitate adjustment of the axial position of the lateral slider over the axial displacement length 170. In the illustrated example, the adjustment plate 168 includes a pair of laterally spaced and axially extending grooves 172, and the lateral slider 160 is adjustably coupled to the adjustment plate 168 via a plurality of t-slot fasteners 174.
    In the illustrated example, the adjustment plate 168 includes a first portion 168a mounted to the first mounting interface 157 of the upper surface 156 of the stationary platen 106 and a second portion 168b extending axially forward of the mounting surface 158 of the stationary platen 106. The axial adjustment length 170 extends over the first and second parts 168a, 168b of the adjustment plate 168.
    Referring to Figure 6, in the illustrated example, the machine 100 includes a transport assembly 180 for transporting molded articles that are unloaded from one or more mold sections. In the illustrated example, the assembly 180 includes a molded article conveyor 182 that extends parallel to the machine axis 104 to transport discharged molded articles in the axial direction. The machine base 102 has a width 183 between a laterally opposed and axially extending first and second side 184, 186 of the machine base 102. In the illustrated example, the first side 184 is on the non-operator side 122 of the machine 100 and the second side 186 is on the operator side 120 of the machine 100. The conveyor 182 is laterally disposed between the sides 184, 186 of the base 102. Referring to FIG. 1, the conveyor 182 may extend under at least one of the stationary and movable plates 106, 108. In the illustrated example, the conveyor 182 extends below the movable plate 108 and the rotator 110.
    Referring to FIG. 6, the assembly 180 may include at least one gutter mounted on the base 102 on one of the operator side 120 and the non-operator side 122 of the machine 100 to guide discharged molded articles onto the conveyor 182 in the lateral direction. In the illustrated example, the assembly 180 includes a first gutter 188 mounted to the base 102 on the non-operator side 122 of the machine 100 to guide molded articles that unload from the central non-operator side forming portion 112 onto the conveyor 182 become.
    In the illustrated example, the first channel 188 includes an inclined first channel guide surface 190 that extends between an upper portion 192 of the first channel and a lower portion 194 of the first channel. The top portion 192 of the first channel is positioned below and axially aligned with the first end-of-arm tooling 132 to receive molded articles from the first end-of-arm tooling 132. The lower portion 194 of the first channel is positioned adjacent to the conveyor 182 to direct the received molded articles onto the conveyor 182. In the illustrated example, the first channel upper portion 192 is laterally outboard of the first side 184 of the base 102, and the first channel lower portion 194 is laterally located between the sides 184, 186 of the base 102.
    Optionally, the machine 100 may include a second part processor for interacting with molded articles in one or more mold sections. In the illustrated example, the machine 100 includes a second part processor 230 on the operator side 120 of the machine 100. The second part processing device 230 is similar to the first part processing device 130, and like features are denoted by like reference numerals that are increased by 100.
    In the illustrated example, the second part processor 230 includes a second end-of-arm tooling 232 that is laterally disposed outside of the rotator 110 (and central mold portions 112) on the operator side 120 of the machine 100. The second end-of-arm tooling 232 is laterally interposed between an engaged position (FIG. 5) for interacting with molded articles in the central mold section 112 which faces the operator side 120 of the machine 100 (also referred to as a "central molding section of the operator side") , and shown in Figs. 1 and 3-7 as a central mold portion 112c), and a non-engaging position (Fig. 4) which is laterally outwardly spaced from the engaging position. In the illustrated example, the second end-of-arm tooling 232 is also vertically interposed between an aligned (Figures 4 and 5) and at least one of a raised position (Figure 7) above the aligned position and a lowered position (Figure 6) the aligned position movable. In the illustrated example, the end-of-arm tooling 232 is vertically movable between the aligned position, the raised position, and the lowered position.
    Referring to FIG. 3, in the illustrated example, the second part processor 230 includes a second mount 250 that movably couples the second end-of-arm tooling 232 to the stationary plate 106. In the illustrated example, the second mount 250 includes a second static mount part 252 mounted on the stationary platen 206 and a second dynamic mount part 254 that is movably coupled to the static mount part 252 and that has the second end-of-arm Tooling 232 supports. Referring to FIG. 4, the static mounting part 252 is mounted on an upper surface 256 of the stationary platen 106. In the illustrated example, the upper surface 156 of the stationary platen 106 has a second mounting interface 257 that is laterally offset with respect to the machine axis 104 to the operator side 120 of the machine 100. The second mounting interface 257 is substantially laterally aligned with the front rails 126a, 126c in the illustrated example. The static mounting part 252 is mounted on the second mounting interface 257.
    Referring to FIG. 6, in the illustrated example, the transport assembly 180 optionally includes a second channel 288 mounted to the base 102 on the operator side 120 of the machine 100 to guide molded articles extending from the central molding section 112 of the operator side Conveyor 182 be discharged. The second channel 288 is similar to the first channel 188, and like features are indicated by like reference numerals, which are increased by 100.
    In the illustrated example, the second channel 288 includes a sloped second channel guide surface 290 that extends between a second channel upper portion 292 and a second channel lower portion 294. The upper
    Part 292 of the second channel is positioned below the second end-of-arm tooling 232 and axially aligned therewith to receive molded articles from the second end-of-arm tooling 232. The lower portion 294 of the second channel is positioned adjacent to the conveyor 182 to direct the picked form articles onto the conveyor 182. In the illustrated example, the second channel upper portion 292 is laterally outboard of the second side 186 of the base 102 and the second channel lower portion 294 is laterally located between the sides 184, 186 of the base 102.
    权利要求:
    Claims (25)
    [1]
    An injection molding machine comprising: a) a machine base extending longitudinally along a substantially horizontal machine axis; b) a stationary plate fixed to the base to hold a stationary mold section; c) a movable plate slidably supported by the base to hold a movable mold portion, the movable plate being slidable toward and away from the stationary platen along the machine axis; d) a rotator slidably supported by the base axially between the stationary and movable plates, the rotator comprising a form carriage slidable along and away from the machine axis to the stationary platen and including a table rotatably mounted on the form carriage mounted to support a horizontally opposed first and second central mold portion and a horizontally opposed third and fourth central mold portion which are perpendicular to the first and second central mold portions, the table being rotatable relative to the mold carriage about a vertical axis, to move the central mold sections between axial positions directed toward the stationary and movable mold sections and lateral positions directed to an operator side and a non-operator side of the machine; and e) a partial processing device mounted on the stationary plate, the partial processing device including end-of-arm tooling laterally disposed outwardly of the rotating device, the end-of-arm tooling being laterally interengaged between an engaged position movable with molded articles in one of the central mold sections in the lateral positions and a disengaged position laterally spaced from the engaged position.
    [2]
    2. The machine of claim 1, wherein the end-of-arm tooling is vertically movable between an aligned position in which the end-of-arm tooling is laterally movable to the engaged position and at least one of a raised position above the aligned position for providing access to the one of the central mold sections, and a lowered position below the aligned position for transferring molded articles unloaded from the one of the central mold sections.
    [3]
    3. The machine of claim 2, further comprising an upper spar and a lower spar each extending substantially parallel to the machine axis between the stationary and movable plates to exert a clamping load across the plates, and wherein the end of Arm tooling has an upper end, a lower end and a part-processing surface between the upper and lower end to interact with molded articles, wherein the part processing surface is substantially vertically between the upper and lower spar when the end-of-arm Tooling is located in the aligned position.
    [4]
    4. The machine of claim 3, wherein the end-of-arm tooling can be moved vertically to the raised position.
    [5]
    5. The machine of claim 4, wherein the bottom end of the end-of-arm tooling is at least as high as a bottom surface of the top spar when the end-of-arm tooling is in the raised position.
    [6]
    A machine according to any one of claims 3 to 5, wherein the end-of-arm tooling can be moved vertically to the lowered position.
    [7]
    7. The machine of claim 6, wherein the upper end of the end-of-arm tooling is at least as low as a top surface of the lower spar when the end-of-arm tooling is in the lowered position.
    [8]
    8. The machine of claim 3, wherein the parting surface is directed laterally inwardly toward the base when the end-of-arm tooling is in corresponding positions and moving therebetween.
    [9]
    9. The machine of claim 1, wherein the end-of-arm tooling is axially locked with respect to the stationary platen during normal engine operation.
    [10]
    The machine of any one of claims 1 to 9, wherein the part-processing surface has a weight, and substantially all of the weight is carried by the stationary plate.
    [11]
    11. The machine of claim 1, wherein the part processing means includes a mount which movably couples the end-of-arm tooling to the stationary platen, the mount having a static mounting part mounted on an upper surface of the stationary platen and a dynamic mounting part movably coupled to the static mounting part and supporting the end-of-arm tooling, the dynamic mounting part being movable relative to the static mounting part to move the end-of-arm tooling between corresponding positions to move.
    [12]
    12. The machine of claim 11, wherein the static mounting part includes a lateral slider and the dynamic mounting part includes a mounting slide slidably coupled to the lateral slider and supporting the end-of-arm tooling, the mounting slide along the lateral slider can slide laterally to move the end-of-arm tooling between the engaged and disengaged positions.
    [13]
    13. The machine of claim 12, wherein the lateral slider extends laterally outward of the stationary platen, the mounting carriage sliding laterally outwardly of the stationary platen along the lateral slider when the end-of-arm tooling is moved to the disengaged position ,
    [14]
    14. The machine of claim 12, wherein the stationary platen includes a mounting surface that faces the moveable plate to support the stationary mold section and the lateral slider is axially spaced from the mounting surface to the moveable plate.
    [15]
    15. The machine of claim 12, wherein the lateral slider is axially fixed relative to the end-of-arm tooling during normal machine operation and locked with respect to the stationary plate at an axial position of the lateral slider the axial position of the lateral slider is adjustable relative to the stationary plate to adjust an axial end-of-arm tooling position of the end-of-arm tooling.
    [16]
    16. The machine of claim 15, wherein the static mounting part includes an adjustment plate which adjustably couples the lateral slider to the stationary platen, wherein the axial position of the lateral slider is adjustable over an axial adjustment length of the adjustment plate, wherein the axial adjustment length is greater than one axial extent of the upper surface of the stationary plate.
    [17]
    17. The machine of claim 12, wherein the dynamic mounting part includes a vertical arm movably supported by the mounting carriage, the end-of-arm tooling being fixed to a lower end of the vertical arm, the vertical one Arm is vertically movable relative to the mounting carriage to move the end-of-arm tooling vertically.
    [18]
    18. The machine of claim 1, wherein the machine base has a width between laterally opposed and axially extending sides of the machine base, and wherein the machine further comprises a molded article conveyor for transporting shaped articles in an axial direction, the molded article conveyor being parallel to the machine axis extends laterally between the sides of the machine base and under at least one of the stationary and movable plates, and wherein the machine further comprises a groove mounted on the base for guiding molded articles received from the end-of-arm tooling be transferred to the conveyor.
    [19]
    19. The machine of claim 18, wherein the trough has a sloped guide surface located between an upper portion positioned laterally outwardly from one of the sides of the machine base under the end-of-arm tooling to form articles from the end-of-tool Arm tooling, and extends to a lower portion laterally positioned between the sides of the machine base adjacent to the conveyor for directing picked form articles onto the conveyor.
    [20]
    20. An injection molding machine comprising: a) a machine base extending longitudinally along a substantially horizontal machine axis; b) a stationary plate fixed to the base to hold a stationary mold section; c) a movable plate slidably supported by the base to hold a movable mold portion, the movable plate being slidable toward and away from the stationary platen along the machine axis; d) a rotator slidably supported by the base axially between the stationary and movable plates, the rotator comprising a form carriage slidable along and away from the machine axis to the stationary platen and including a table rotatably mounted on the form carriage mounted to support a horizontally opposed first and second central mold portion and a horizontally opposed third and fourth central mold portion which are perpendicular to the first and second central mold portions, the table being rotatable relative to the mold carriage about a vertical axis, to move the central mold sections between axial positions directed toward the stationary and movable mold sections and lateral positions directed to an operator side and a non-operator side of the machine; and e) a part-processing device including an end-of-arm tooling arranged laterally outwardly of the rotator, the end-of-arm tooling being laterally interposed between an engagement position for interacting with the molded articles in one of the central mold sections in the lateral Movable positions and a non-engagement position laterally spaced from the engagement position and the end-of-arm tooling vertically between an aligned position in which the end-of-arm tooling is movable to the engaged position. and at least one of a raised position above the aligned position for providing access to the one of the central mold sections, and a lowered position below the aligned position for transferring molded articles unloaded from the one of the central mold sections.
    [21]
    21. An injection molding machine comprising: a) a machine base extending longitudinally along a substantially horizontal machine axis; b) a stationary plate fixed to the base to hold a stationary mold section; c) a movable plate slidably supported by the base to hold a movable mold portion, the movable plate being slidable toward and away from the stationary platen along the machine axis; d) a rotator slidably supported by the base axially between the stationary and movable plates, the rotator comprising a form carriage slidable along and away from the machine axis to the stationary platen and including a table rotatably mounted on the form carriage mounted to support a horizontally opposed first and second central mold portion and a horizontally opposed third and fourth central mold portion which are perpendicular to the first and second central mold portions, the table being rotatable relative to the mold carriage about a vertical axis, to move the central mold sections between axial positions directed toward the stationary and movable mold sections and lateral positions directed to an operator side and a non-operator side of the machine; and e) a first part-processing device mounted on the stationary plate, the first part-processing device including a first end-of-arm tooling arranged laterally outwardly of the non-operator side of the machine to engage with molded articles in the machine central mold section directed to the non-operator side of the machine; and f) a second part-processing device mounted on the stationary plate, the second part-processing device including a second end-of-arm tooling positioned laterally out of the rotating device on the operator side of the machine to engage with molded articles in the central mold section interacting with the operator side of the machine.
    [22]
    22. An injection molding machine comprising: a) a machine base extending longitudinally along a substantially horizontal machine axis, the machine base having a width between laterally opposed and axially extending sides of the machine base; b) a stationary plate fixed to the base to hold a stationary mold section; c) a movable plate slidably supported by the base to hold a movable mold portion, the movable plate being slidable toward and away from the stationary platen along the machine axis; d) a rotator slidably supported by the base axially between the stationary and movable plates, the rotator comprising a form carriage slidable along and away from the machine axis to the stationary platen and including a table rotatably mounted on the form carriage mounted to support a horizontally opposed first and second central mold portion and a horizontally opposed third and fourth central mold portion which are perpendicular to the first and second central mold portions, the table being rotatable relative to the mold carriage about a vertical axis, to move the central mold sections between axial positions directed toward the stationary and movable mold sections and lateral positions directed to an operator side and a non-operator side of the machine; e) a shaped article conveyor for transporting shaped articles in an axial direction, the molded article conveyor extending parallel to the machine axis laterally between the sides of the machine base and under at least one of the movable and stationary plates; and (f) a first gutter mounted on the operator side of the machine at the base for guiding molded articles to be unloaded onto the conveyor from the central forming section facing the operator side of the machine; and g) a second gutter mounted on the non-operator side of the machine at the base to guide molded articles to be unloaded onto the conveyor from the central molding section facing the non-operator side of the machine.
    [23]
    The machine of claim 22, wherein each trough has a sloped guide surface located between an upper portion positioned laterally outwardly of a corresponding one of the sides of the machine base for receiving shaped articles unloaded from a corresponding central mold portion and a lower one Part positioned laterally between the sides of the machine base, adjacent to the conveyor, to guide received molded articles on the conveyor.
    [24]
    24. A method of operating an injection molding machine, comprising: a) rotating a table about a vertical axis to move a central mold portion from an axial position to a lateral position, the central mold portion being directed to one of a stationary mold portion and a stationary mold portion Plate is held and is directed to a movable mold portion which is held by a movable plate when it is in the axial position, and the central mold portion is directed to one of an operator side and a non-operator side of the machine when in the lateral position is; b) when the central mold section is in the lateral position, moving an end-of-arm tooling laterally inwardly toward the central mold section into an engaged position for interacting with molded articles in the central mold section; c) after step b), moving the end-of-arm tooling from the engaged position to a disengaged position laterally spaced from the engaged position; and d) after step c), moving the end-of-arm tooling vertically from an aligned position in which the end-of-arm tooling can be moved to the engaged position to a raised position above the aligned position for providing access to the central mold portion and a lowered position below the aligned position for transferring shaped articles unloaded from the central mold portion.
    [25]
    25. The method of claim 24, wherein the end-of-arm tooling includes a parting surface for interacting with the molded articles, wherein the parting surface is directed laterally inwardly toward the central moldbeam when the end-of-arm tooling fits into corresponding ones Positions and moves in between
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    同族专利:
    公开号 | 公开日
    AT520475B1|2020-12-15|
    DE112017002843T5|2019-03-14|
    CN109311200A|2019-02-05|
    US20190105823A1|2019-04-11|
    WO2017210788A1|2017-12-14|
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    法律状态:
    优先权:
    申请号 | 申请日 | 专利标题
    US201662346816P| true| 2016-06-07|2016-06-07|
    PCT/CA2017/050694|WO2017210788A1|2016-06-07|2017-06-07|Injection molding machine with part-handling apparatus|
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